Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation · 2016
Psychosocial Factors That Create Barriers to Managing Serum Phosphorus Levels in Pediatric Dialysis Patients: A Retrospective Analysis.
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Taylor Jacob M, Oladitan Leah, Degnan Angela, Henderson Sarah, Dai Hongying, Warady Bradley A
Аннотация
OBJECTIVE: Abnormal phosphorus homeostasis is among the medley of metabolic disturbances commonly associated with chronic kidney disease. We sought to determine the psychosocial factors that create barriers to controlling serum phosphorus levels in children on dialysis and to evaluate the perceptions of children and caregivers on the ease or difficulty of following a dietary phosphorus restriction and taking phosphorus binder medications.
DESIGN: Single center cross-sectional study.
SETTING: Pediatric dialysis unit at a children's hospital.
SUBJECTS: Forty-eight patients on chronic hemodialysis or peritoneal dialysis (mean age: 11.03 ± 6.88 years; 69% male).
MAIN OUTCOME MEASURE: Serum phosphorus levels were recorded from electronic health records and converted to a mean phosphorus standard deviation score (SDS) for each individual. Mean phosphorus SDS values were compared to each independent categorical variable using an analysis of variance test, continuous variables were analyzed using linear regression, and logistic regression was used to determine odds ratios.
RESULTS: There was a significant relationship between age and phosphorus SDS (P < .001), with patients over 13 years of age having the highest prevalence of hyperphosphatemia (88%). Patients and caregivers who identified phosphorus levels as "controlled" had lower phosphorus SDS values compared to the other subjects (P = .003). However, of the patients and caregivers who reported that serum phosphorus levels were "controlled," 46% were hyperphosphatemic. Furthermore, 73% and 87% of patients and caregivers reported that following a phosphorus-restricted diet and taking phosphorus binders were "easy"; yet, 40% and 49% of these patients were hyperphosphatemic, respectively.
CONCLUSION: In the present study, elevated serum phosphorus levels were most common in adolescent dialysis patients. There also appears to be a disconnect between the perceived ease of following a phosphorus-restricted diet and taking phosphorus binders and the achievement of normal serum phosphorus levels. These data further emphasize the importance of ongoing education regarding dietary and medical management requirements.
DESIGN: Single center cross-sectional study.
SETTING: Pediatric dialysis unit at a children's hospital.
SUBJECTS: Forty-eight patients on chronic hemodialysis or peritoneal dialysis (mean age: 11.03 ± 6.88 years; 69% male).
MAIN OUTCOME MEASURE: Serum phosphorus levels were recorded from electronic health records and converted to a mean phosphorus standard deviation score (SDS) for each individual. Mean phosphorus SDS values were compared to each independent categorical variable using an analysis of variance test, continuous variables were analyzed using linear regression, and logistic regression was used to determine odds ratios.
RESULTS: There was a significant relationship between age and phosphorus SDS (P < .001), with patients over 13 years of age having the highest prevalence of hyperphosphatemia (88%). Patients and caregivers who identified phosphorus levels as "controlled" had lower phosphorus SDS values compared to the other subjects (P = .003). However, of the patients and caregivers who reported that serum phosphorus levels were "controlled," 46% were hyperphosphatemic. Furthermore, 73% and 87% of patients and caregivers reported that following a phosphorus-restricted diet and taking phosphorus binders were "easy"; yet, 40% and 49% of these patients were hyperphosphatemic, respectively.
CONCLUSION: In the present study, elevated serum phosphorus levels were most common in adolescent dialysis patients. There also appears to be a disconnect between the perceived ease of following a phosphorus-restricted diet and taking phosphorus binders and the achievement of normal serum phosphorus levels. These data further emphasize the importance of ongoing education regarding dietary and medical management requirements.